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Completed Air Filtration System

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Project by MikeGCNY posted 1353 days ago 2740 views 6 times favorited 15 comments Add to Favorites Watch

Finally finished this and mounted it. I used some furnace filters and a new attic fan that my father had given to me. Overall, i think I spent about $50.00 on it.

I don’t like the way the attic fan is working out and plan to swap in a HVAC blower once i get my hands on one. The attic fan is way too choppy and loud. It works though—the air is noticeably much cleaner.





15 comments so far

View Timthemailman's profile

Timthemailman

301 posts in 1407 days


#1 posted 1353 days ago

I need to do something like that, thanks for the post

View Eagle1's profile

Eagle1

2066 posts in 1696 days


#2 posted 1353 days ago

I agree with you Timthemailman. I need to make one also. Got a couple of other things to do first, running a couple of more 220’s.

-- Tim, Missouri ....Inside every older person is a younger person wondering what the heck happened

View BernieMay's profile

BernieMay

23 posts in 1669 days


#3 posted 1353 days ago

Mike-
What kind of filter did you put behind the furnace filter we can see?
-bernie

View Maveric777's profile

Maveric777

2690 posts in 1708 days


#4 posted 1353 days ago

What a good reminder to quit putting the saw dust in the air long enough to make something to take the saw dust out of the air. Good stuff Mike!

-- Dan ~ Texarkana, Tx.

View natrous's profile

natrous

65 posts in 1415 days


#5 posted 1353 days ago

Nicely done. I’m trying to find a blower too so I can build something similar. Thanks for sharing your design!

-- I do not like work even when someone else does it. - Mark Twain

View Knothead62's profile

Knothead62

2364 posts in 1592 days


#6 posted 1353 days ago

My wife saw a show on HGTV where they used a box fan and a furnace filter attached with a bungee cord. I just turn mine on high and the suction keeps it snug against the fam. I was sanding yesterday and was surprised at how it kept the air clean.

View dfdye's profile

dfdye

372 posts in 1668 days


#7 posted 1353 days ago

I did the box fan/furnace filter, but I wanted a little more sturdy solution to attach the filter than the bungee cords, so I used duct tape! :)

It really does work quite well, and if you want more capacity, it is quite cheaply upgradeable (just buy another fan!). If you do build one of these, be sure to put the filter on the “sucking” side of the fan and not the “blowing” side. The other trick I would recommend, as with any air filter system, is to have the “in” side facing your dirty area where the dust gets generated, and the “out” side facing a cleaner area where there isn’t as much dust. So far this has worked quite well for me in my 2 car garage shop.

-- David from Indiana --

View Jim Reeves's profile

Jim Reeves

201 posts in 1655 days


#8 posted 1352 days ago

Great job Mike, l think it looks great and no dought the air is much cleaner.
Just wondering, likely to start moving my shop, to my father inlaw’s house he gave my wife and l his home.
He gave me a furnace blower, if l made box like yours would furnace blower with a furnace filter do the same thing in cleaning the air?
Again a great job

Jim

-- jim

View NBeener's profile

NBeener

4806 posts in 1805 days


#9 posted 1352 days ago

Very nice !

-- -- Neil

View dbhost's profile

dbhost

5378 posts in 1863 days


#10 posted 1352 days ago

Air filtration is always an excellent upgrade. You did a good job on that. Can I make a suggestion though? You might want to take a router / roundover bit and reileve the edges if that hangs down low enough, and you are tall enough to introduce your skull to those corners. I bet that could HURT…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View dbhost's profile

dbhost

5378 posts in 1863 days


#11 posted 1352 days ago

Oops. Wrong window…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View Grantman's profile

Grantman

94 posts in 2657 days


#12 posted 1352 days ago

Similar to one I made. I have a buddy in the HVAC biz and asked him for an old blower. I built a box with 2) 20” x 20” intake filters on either side of the box and then blowing out through a 12” x 12” filter in the front. It’s stationed near my table saw and blows toward the front of the shop (basement, too).

You should be able to call around to HVAC contractors and ask them for old blowers…you certainly don’t have to go and buy one. I also got round vacuum cleaner belts (4”- 6” Ø) and doubled them to use for shock absorbers as the vibration from the basement had my wife going nuts. Sequence: rafter > hook > belt > chain > belt > hook > air cleaner.

Also, stop in at Lowe’s or the Depot and get a solid-state timer. I leave mine running for an hour or more after I leave the shop…it helps keep things really clean. Just my 2¢.

View dfdye's profile

dfdye

372 posts in 1668 days


#13 posted 1352 days ago

Jim,

You can definitely use an old HVAC blower! Here is one I just found via a quick search: http://www.fountainclan.com/wood/Air%20Cleaner.html

I am sure there are plenty more designs to provide some inspiration.

-- David from Indiana --

View MikeGCNY's profile

MikeGCNY

43 posts in 2126 days


#14 posted 1351 days ago

Thanks all for the tips!

@Jim – An old blower is probably ideal. The problem is in my area I cannot locate any that are reasonably priced. Most of the contractors want to sell me old blowers for more than a brand new JDS filtration system would cost.

@dbhost – I am short. I am planning on putting some child proofing foam around the edges. Ideally i want to move the unit a little more towards the back of my house so that people walking down the stairs don’t take a hard left and hit their head. But the only people who ever go down to our basement are myself, my wife and our cleaning lady and we are all kind of short.

@BernieMay – I used 3M filters. I have a MERV 7 and MERV 9 filters behind the blue furnace filter—and these are only on the “intake” side. You could also take a look at McMaster-Carr online. The have some great pocket style filters. I could not use theirs because they only come in 20×20.

View ClayandNancy's profile

ClayandNancy

479 posts in 1646 days


#15 posted 1351 days ago

I gave the furnace exhaust blower from my old furnace to a friend and he made one, other than color looks just like my Delta. He has three filters mounted in it. Works good

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